Hi Alex, On Sat, Oct 13, 2012 at 12:29 AM, Alex Bligh <a...@alex.org.uk> wrote: > Michael, > > --On 12 October 2012 16:58:39 +0200 Michal Hocko <mho...@suse.cz> wrote: > >> Once dirty_ratio (resp. dirty_bytes) limit is hit then the process which >> writes gets throttled. If this is not the case then there is a bug in >> the throttling code. > > > I believe that is the problem.
Take a look at the "wait for writeback" problem please. Linux 3.0+ Disk performance problem - wrong pdflush behaviour https://lkml.org/lkml/2012/10/10/412 Hillf -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/